Zone Valves BF580050
Caleffi 580 Series High Hazard Reduced Pressure Zone Valve 20mm
Product Information
Description
20mm high hazard backflow prevention valve
BF580050
Caleffi
High Hazard
Zone Valves
20mm
Technical Information
Body: dezincification resistant alloy EN 1982 CB752S
Cartridge components: PPSG40, POM 13, dezincification resistant alloy EN 12164 CW724R
Downstream check valve: POM, NBR
Check valve stems and springs: stainless steel EN 10270-3 (AISI 302)
Membrane: EPDM
Strainer mesh size: 0,47 mm
Seals: EPDM
Discharge tundish: PP
Isolating valve control stem: brass EN 12164 CW617N
Medium: potable water
Nominal pressure: PN 10
Maximum working temperature: 65°C
Ambient temperature range: 5–50°C
Downstream check valve opening pressure: 0,5 kPa
Pressure test ports with cock: upstream, intermediate, downstream
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